130122015 has 16 divisors (see below), whose sum is σ = 208490496. Its totient is φ = 69300000.

The previous prime is 130122011. The next prime is 130122019. The reversal of 130122015 is 510221031.

It is an interprime number because it is at equal distance from previous prime (130122011) and next prime (130122019).

It is not a de Polignac number, because 130122015 - 2² = 130122011 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a junction number, because it is equal to n+sod(n) for n = 130121985 and 130122003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130122011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5490 + ... + 17040.

It is an arithmetic number, because the mean of its divisors is an integer number (13030656).

Almost surely, 2^130122015 is an apocalyptic number.

130122015 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

130122015 is a deficient number, since it is larger than the sum of its proper divisors (78368481).

130122015 is a wasteful number, since it uses less digits than its factorization.

130122015 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12310.

The product of its (nonzero) digits is 60, while the sum is 15.

The square root of 130122015 is about 11407.1037077779. The cubic root of 130122015 is about 506.7381403575.

Adding to 130122015 its reverse (510221031), we get a palindrome (640343046).

The spelling of 130122015 in words is "one hundred thirty million, one hundred twenty-two thousand, fifteen".